用于90 GHz快速成像的MIMO系统

2015 European Microwave Conference (EuMC) Pub Date : 2015-12-03 DOI:10.1109/EUMC.2015.7345793

R. Herschel, S. Nowok, P. Warok, R. Zimmermann, S. Lang, N. Pohl

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引用次数: 6

摘要

提出了一种工作频率为90ghz、带宽为7.5 GHz的毫米波成像系统。采用1×4 MIMO方法获得了距离分辨率为20 mm、方位角为3.2°的二维图像。讨论了由直接数字合成器驱动的接收和发送模块的性能。给出了1 ~ 4 m波段雷达成像的实验数据，并对标定方法进行了详细讨论。该系统成功实现了超过40db的动态范围。

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MIMO system for fast imaging at 90 GHz

A millimeter wave imaging system operating around 90 GHz with 7.5 GHz bandwidth is presented. 2D images with 20 mm resolution in range and 3.2° in azimuth are obtained with an 1×4 MIMO approach. The performance of receiver and transmitter modules driven by a Direct Digital Synthesizer is discussed. Experimental data on radar imaging between 1 and 4 m is shown and the used calibration is discussed in further detail. The system successfully achieves a dynamic range of more than 40 dB.

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来源期刊

2015 European Microwave Conference (EuMC)

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